//
//  MapModel.m
//  FiltrationSystem
//
//  Created by 123456 on 2017/2/6.
//  Copyright © 2017年 YTYangK. All rights reserved.
//

#import "MapModel.h"

@implementation MapModel
+ (BOOL)propertyIsOptional:(NSString *)propertyName {
    return YES;
}


@end




